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Calculate the electrical repulsion between two protons in a nucleus if they are 1.05×10-15 apart. How many pounds would the force be?
The pressure of a gas remains constant while the temperature, volume. The mass of the gas is 24.0 g, and its specific heat capacity is 1080 J/(kg?C°). Determine the pressure.
An electric dipole is formed from +/- 5nC point charges spaced 1.00 mm apart. The dipole is at the origin, oriented along the y-axis. What is the electric field strength at the point (x,y)=(12cm, 0
what is the change in the internal Energy? (b) How much Energy is added to the gas? (c) How much heat is required if the gas goes from a to c via abc?
A 1.90-mol sample of hydrogen gas is heated at constant pressure from 302 K to 410 K. Calculate the energy transferred to the gas by heat.
According to a clock on board the spaceship, how long will it take to make the trip? Express your answer in years (1 yr = 3.16 107 s).
Carson Inc.'s manager believes that economic conditions during the next year will be strong, normal, or weak, and she thinks that the firm's returns will have the probability distribution shown bel
The index of refraction of the cladding is 1.49. What is the maximum angle a light ray can make with the wall of the core if it is to remain inside the fiber?
Calculate the image position of a cologne bottle placed in front of the mirror at a distance of 83 cm
A hot air balloon has just lifted off and is rising at the constant rate of 2.4 m/s. If the passenger is 2.5 m above her friend when the camera is tossed, how high is she when the camera reaches her?
Calculate the electric field at one corner of a square 1.10 m on a side if the other three corners are occupied by 4.30 multiplied by 10-6 C charges.
Two blocks, one 0.8 kg and the other 2.0 kg are connected by a massless string over a frictionless pulley. The coefficient of kinetic friction is 0.14, and the downward ramp angle is 60 degrees. De
The confused dog keeps running and passes the bone. How long after the merry-go-round starts to turn do the dog and the bone draw even with each other for the second time?
Calculate the tension required to obtain the proper frequency, Calculate the wavelength of the string's vibration, What is the wavelength of the sound produced in air?
The net force on the wire is measured using a balance and found to be zero. What is the magnitude of the magnetic field?
A swimmer heads directly across a river, swimming at 1.9 m/s relative to the water. She arrives at a point 34 m downstream from the point directly across the river, which is 80 m wide. What is the s
A 10-cm long thin glass rod is uniformly charged to 50 nC. A small plastic bead, charged to - 5.2 nC, is 4.5 cm from the center of the rod. What is the magnitude of the force on the bead?
An electric field of intensity 3.4 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true:
Two 10-cm-diameter charged thin rings face each other, 18 cm apart. The left ring is charged to +10 nC and the right ring is charged to +20 nC. a. What is the electric field at the center of the le
A man drops a baseball off of the top of the Empire State Building. If the action force is the pull of the Earth on the ball, then what is the reaction force?
A grinding wheel is initially at rest. A constant external torque of 45.8 N· m is applied to the wheel for 18.8 s, giving the wheel an angular speed of 596 rev/min. The external torque is th
Water (η = 1.00 10-3 Pa·s) is flowing through a horizontal pipe with a volume flow rate of 0.050 m3/s. As the drawing shows, there are two vertical tubes that project from the pipe. From
The distance from the Earth to Polaris is approximately 5.35 10^18 m. How long would it take to disappear from our vision if it were to burn out today?
He holds a flashlight between his feet and manages to point it at the mirror. At what angle of incidence must the light strike the mirror so the light will reach his eyes?
What speed do you predict for the block at the top of the track? (c) Does the block actually reach the top of the track, or does it fall off before reaching the top?